Complete the sentences. One part is extra.

• Объекты 1
  • Bottlenose dolphins live in the ...
  • Bottlenose dolphins are clever mammals which ...
  • Bottlenose dolphins communicate with each other by ...
  • Bottlenose dolphins can reach speeds of ...
  • Bottlenose dolphins eat ...
• Объекты 2
  • warm waters.
  • can communicate.
  • squeaks, whistles and clicks.
  • over 18 miles per hour.
  • is an extra part.